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A Review of the Embankment Dam with Asphalt Concrete Core

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Abstract (2. Language): 
Embankment dams have served man at least 5,000 years. The remains of ancient structures and civilizations provide clues to the efforts of mankind in the engineering and construction of dams. Jansen (1980) traces the history of dams from the period BC to the 20th century. Of the earth dams built BC, Jansen comments”(USSD Committee on Materials for Embankment Dams, 2011): “Turning to the most available materials, the ancient dam builders made liberal use of soils and gravels. Since they had only the slightest understanding of the mechanics of materials or of flood flow, their methods were haphazard, and their works often failed. Embankment dams were low on the scale of public confidence for many centuries.” (Jansen, 1980) Embankment dams almost built with all types of the soils, it has more advantage than concrete dame. But there was some benefits for designer to use embankment dams with asphalt concrete core, more than 50 years, asphalt concrete is used as a flexible and impermeable layer in dams. Germany is a pioneer in this industry. Asphaltic concrete core is considered because of impermeability, ease of construction and performance and etc. than clay core. Even is used as cutoff. Filer, aggregate and bitumen are the main part of the asphalt concrete so these have an important effect on asphalt concrete. Asphaltic concrete is used in all kind of climate zone and temperature but there is some concern in high temperature duo to change the asphalt properties. This paper is review on the findings, results of the tests and observations from around the world for better understanding the advantages and disadvantages of dams with asphaltic concrete core of the existing earthen dam. It is predicted that in the future most of embankment dams in areas with earthquake hazard, construct like this.
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REFERENCES

References: 

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